Authenticating agains AD issues

Johnson, Neil M neil-johnson at uiowa.edu
Thu Oct 28 18:26:33 CEST 2010


Could this be the samba bug ? I'm running 3.4.9 of samba. I thought it was fixed in that release.

-Neil


-- 
Neil Johnson
Network Engineer
Information Technology Services
The University of Iowa
319 384-0938
neil-johnson at uiowa.edu 


> -----Original Message-----
> From: freeradius-users-bounces+neil-
> johnson=uiowa.edu at lists.freeradius.org [mailto:freeradius-users-
> bounces+neil-johnson=uiowa.edu at lists.freeradius.org] On Behalf Of
> Johnson, Neil M
> Sent: Thursday, October 28, 2010 10:58 AM
> To: FreeRadius users mailing list
> Subject: RE: Authenticating agains AD issues
> 
> Okay, I made those changes, but it still isn't working..
> 
> New log output:
> 
> Found Auth-Type = EAP
> +- entering group authenticate {...}
> [eap] Request found, released from the list
> [eap] EAP/mschapv2
> [eap] processing type mschapv2
> [mschapv2] +- entering group MS-CHAP {...}
> [mschap] Told to do MS-CHAPv2 for nmjoo with NT-Password
> [mschap]        expand: --username=%{mschap:User-Name:-None} -> --
> username=nmjoo
> [mschap]        expand: %{mschap:NT-Domain} -> IOWA
> [mschap]        expand: --domain=%{%{mschap:NT-Domain}:-IOWA} -> --
> domain=IOWA
> [mschap]  mschap2: f7
> [mschap]        expand: --challenge=%{mschap:Challenge:-00} -> --
> challenge=7ec345e462e886cc
> [mschap]        expand: --nt-response=%{mschap:NT-Response:-00} -> --
> nt-response=a702419f587f109f326572c6e275dde4c144ccf18a11cc1d
> Exec-Program output: NT_KEY: 0FD5C0593F3B79F0478DB821B51BCB38
> Exec-Program-Wait: plaintext: NT_KEY: 0FD5C0593F3B79F0478DB821B51BCB38
> Exec-Program: returned: 0
> [mschap] adding MS-CHAPv2 MPPE keys
> ++[mschap] returns ok
> MSCHAP Success
> ++[eap] returns handled
> } # server inner-tunnel
> [peap] Got tunneled reply code 11
>         EAP-Message =
> 0x010a00331a0309002e533d37304443454534424441463830433945444643443943413
> 335313237463630414239443345323741
>         Message-Authenticator = 0x00000000000000000000000000000000
>         State = 0x685b4a666951502b3811a806682630a9
> [peap] Got tunneled reply RADIUS code 11
>         EAP-Message =
> 0x010a00331a0309002e533d37304443454534424441463830433945444643443943413
> 335313237463630414239443345323741
>         Message-Authenticator = 0x00000000000000000000000000000000
>         State = 0x685b4a666951502b3811a806682630a9
> [peap] Got tunneled Access-Challenge
> ++[eap] returns handled
> Sending Access-Challenge of id 0 to 128.255.11.74 port 32768
>         EAP-Message =
> 0x010a005b19001703010050a8e7120ce3206005ece77b52e24df05d1ea02d75ff36206
> 97699ee570a8b6a06d08cc95c2d4f4985bd9d8754d8a895ca8758dddd2ba6f7973a78d1
> 6d781735fb1e7274f297ef87971da17a0f708d6d0d
>         Message-Authenticator = 0x00000000000000000000000000000000
>         State = 0x122499391a2e80cc44ec4cdf9c13104c
> Finished request 17.
> Going to the next request
> Waking up in 3.2 seconds.
> C
> 
> --
> Neil Johnson
> Network Engineer
> Information Technology Services
> The University of Iowa
> 319 384-0938
> neil-johnson at uiowa.edu
> 
> 
> > -----Original Message-----
> > From: freeradius-users-bounces+neil-
> > johnson=uiowa.edu at lists.freeradius.org [mailto:freeradius-users-
> > bounces+neil-johnson=uiowa.edu at lists.freeradius.org] On Behalf Of
> Phil
> > Mayers
> > Sent: Thursday, October 28, 2010 10:44 AM
> > To: freeradius-users at lists.freeradius.org
> > Subject: Re: Authenticating agains AD issues
> >
> > On 28/10/10 16:22, Johnson, Neil M wrote:
> > > Yes, I did.
> >
> > Ah. However, the debug output says:
> >
> > >
> > > [mschap] expand: %{Stripped-User-Name} ->
> > > [mschap] ... expanding second conditional
> > > [mschap] WARNING: Deprecated conditional expansion ":-". See "man
> > > unlang" for details
> > > [mschap] expand: %{User-Name:-None} -> IOWA\nmjoo
> > > [mschap] expand: --username=%{%{Stripped-User-Name}:-%{User-Name:-
> > None}}
> > > -> --username=IOWA\nmjoo
> >
> > i.e. the username still contains a "DOMAIN\". You need to change the
> > "ntlm_auth" command in /etc/raddb/modules/mschap to have:
> >
> >     ntlm_auth = "... --username=%{mschap:User-Name} ..."
> > -
> > List info/subscribe/unsubscribe? See
> > http://www.freeradius.org/list/users.html
> 
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